Weather Almanac: San Francisco, CA 94124

🗓️ Historical norms for May

May avg. precipitation
🌧️ 0.70"
May days below freezing
📉 ≈0.0 days
Average May lows 49°F – 53°F
USDA Zone
10b
Annual extreme lows 35°F to 40°F
Last Spring Frost (36°F)
🌷 Jan 28
First Fall Frost (36°F)
🍂 Dec 25

Temperature climatic data from weather station: SAN FRANCISCO DWTN (USW00023272)

Precipitation climatic data from weather station: SAN FRANCISCO DWTN (USW00023272)

Agricultural climatic data from weather station: SAN FRANCISCO DWTN (USW00023272)